Die stock or head.



J. A. BEGHER. DIE STOCK 0R HEAD. rum-r101 FILED AUG. 9, 1910.

Patented Jan. 23, 1912.

I [T/VESSES [NV/INTO]? (5 w 8am a. Al orney To all whom it may concern:

of the dies or cutters.

preferably semicircular in form- That en largement 7 of each jaw is provided with =.Frach die or cutter is madedouble ended .ward each other and to so constructsuch as hereinafter set forth and pointed out in view at right angles to Fig. 1. Fig. 3 is a a rectangular head 2 isrigidly secured and -PIOVlClBCl at 1ts ends w1th parallel arms or arms or flanges so as to bedisposed parallel 2 and movable on the guide-bars, and air uiTnD STATES PA N F IC A ES A. BECHER, orcnioeeo, ILLINOIS.

DIE-saloon on nnan.

Specification of Letters Patent: 7

Patented Jan. 23,1912.

Application filed August 9, 1910. Serial No. 576,422.

Be it known that 1, JAMES A. Bnorinn, of Chicago, 1n the county of Cook and State of .Tlllnois, have invented certain new and useful Improvements in Die Stocks or Heads;

and I do hereby declare the following to-be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to improvements in die stocks or heads, one object of the invention being to provide simple and eflicient means for moving the die carrying jaws to means that the same can be utilized in elfecting the working adjustment of said jaws and the dies which they carry.

A further object is to provide a die stock or head which shall be simple in construction'; in which double ended dies can be properly supported and utilized, and which shall be effectual in all respects in accomplishing the purposes for which it is intended and in withstanding strain to which devices of this character are subjected.

With these and other objects in view the invention consists in certain novel features of construction and combinations of parts the claims. p

In the accompanying drawings, Figure 1 is an elevation of a die stock or head em-,

bodying my improvements. I. Fig. -2 is, a

face view, and Fig.4 is a detail view of one.

1 represents a shaft, to one end of which.

flanges 3. Guide-bars 4 pass through said with the head 2 and serve as guides for jaws 5, each of said bars a being provided at one end with a suitable head 6 and threaded at the other end for the reception of a nut or to screw through suitable threaded sockets" r or holes in the lower arm orflange 3 of the head 2. Each jaw 5 may have a rectangu- 50 lar body portion disposed against the head outwardly projecting enlargement 7 which slots 8 for the reception of dies or cutters 9.

it can bereversed and each end be capable of doing work in cutting threads. in order that the dies may be accurately located and 116161 nplace in the slots in the jaws, dowel.

' via, with cutting teeth at each end,-so that pins 1am provided in the bottoms of said slots to, enter sockets 11 in the dies. The

dies are prevented from escape by means of the heads of screws 12 secured to the jaws as clearly illustrated in Fig. 3. Springs 13 operate to move the jaws away from each other and said jaws are caused to approach each other for the purpose of bringing the dies to working position, by means of the devices which will now be explained.

; A sheave or collar lt is mounted to slide on and to rotate with the shaft 1 and this sheave or collar is provided with a groove '15 for the reception of a suitable shifting lever. The sheave or collar 14: is provided,

preferablyat diametrically opposite points,

with lugs or ears 16 and to these lugs or ears, pins or rods 17 are pivotally attached. The pins or rods 17 pass freely through holes 18 in the fixed head 2 and extend past the arms or flanges 8 of said fixed head. The forward ends of the rods or pins 17 are beveled as shown at 19 to cooperate with lugs 20 on the semi-circular portions of the jaws 5 for the purpose of causing said jaws to move toward each other and bring the d es to working positlon.

passed through the arms or flanges 3 and engage the. pivoted pins or rods 17 and preventoutward or radial movement: of V By adjusting these. i

screws, the rods" or pins will be caused tosaid rods or pins.

Screws 21 are move somewhat on their pivotal connections, 1

with the lugs or ears 16 and consequently to move the dies to tlieirwork and' also in the extent of movement of the jaws and dies toward the work can be adjusted. Thus it will be seen that the rods or pins 17 can be the adjustment of dies relatively to the work.

Having fully described my invention what I claim as-new and desire to secure. by

Letters-Patent, is," Y

liked thereto and provided with parallel arms or flanges, of guide-bars connecting 1. The combination with a shaft, a head.

said, arms or' flanges, die holding. jaws mov- U able on said guide-bars, a sheave or collar,

.and pins attached to said sheave or collar,

passing through said :fixed head and coi other, and screws to engage said rods or pins for ad ustlng the same to ad ust the extent of movement of the jaws toward each other 1 and the dies carried by said jaws relatively to the work,

In testimony whereof, I have signed this specification in the presence of two snbscribing witnesses.

JAMES A. BECI-IER. itnesses H. B. KEMP, M. E. Loonn.

Copies of this patent may be obtained for five cents each,

by' addressing the Commissioner of Patents,

Washington, D. 0. 

